Home / 145,722.26-218,591.15-45,890.24

Finding the Fourth Proportional to 145,722.26, 218,591.15 and 45,890.24

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Solution

The fourth proportional to 145,722.26, 218,591.15 and 45,890.24 is: 68,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,722.26 : 218,591.15 = 45,890.24 : x
  2. Step 2: Convert to fraction form
    145,722.26/218,591.15 = 45,890.24/x
  3. Step 3: Cross multiply
    145,722.26x = 218,591.15 × 45,890.24
  4. Step 4: Simplify right side
    145,722.26x = 10,031,199,012.97
  5. Step 5: Solve for x
    x = 10,031,199,012.97/145,722.26
  6. Step 6: Final answer
    x = 68,837.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.